Home / 147,163.20-203,079.36-80,095.20

Finding the Fourth Proportional to 147,163.20, 203,079.36 and 80,095.20

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Solution

The fourth proportional to 147,163.20, 203,079.36 and 80,095.20 is: 110,528.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,163.20 : 203,079.36 = 80,095.20 : x
  2. Step 2: Convert to fraction form
    147,163.20/203,079.36 = 80,095.20/x
  3. Step 3: Cross multiply
    147,163.20x = 203,079.36 × 80,095.20
  4. Step 4: Simplify right side
    147,163.20x = 16,265,681,955.07
  5. Step 5: Solve for x
    x = 16,265,681,955.07/147,163.20
  6. Step 6: Final answer
    x = 110,528.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.